CN203607216U - Transformer and coil structure thereof - Google Patents
Transformer and coil structure thereof Download PDFInfo
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- CN203607216U CN203607216U CN201320771676.1U CN201320771676U CN203607216U CN 203607216 U CN203607216 U CN 203607216U CN 201320771676 U CN201320771676 U CN 201320771676U CN 203607216 U CN203607216 U CN 203607216U
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- loop construction
- magnetic core
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- 238000010276 construction Methods 0.000 claims description 32
- 230000000977 initiatory effect Effects 0.000 claims description 30
- 230000004888 barrier function Effects 0.000 claims description 24
- 230000004907 flux Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000004804 winding Methods 0.000 description 6
- 238000013021 overheating Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a transformer and a coil structure thereof. The coil structure comprises a magnetic core, a secondary coil and a primary coil. The coil structure is characterized in that the secondary coil comprises at least two coil sets which are arranged in the radial extending direction of the magnetic core; each set of coils comprise a plurality of branched coils, and the branched coils in different coil sets are arranged in a cross mode. By means of the arrangement, leakage fluxes of a high voltage to different low voltages can be the same, the impedance voltage can be balanced, and the service life of the coil structure can be prolonged; due to the fact that the coil sets are distributed in the radial direction of the magnetic core, the setting height of the transformer can be reduced, and transportation is convenient.
Description
Technical field
The utility model relates to electrical equipment technical field, particularly relates to a kind of transformer and loop construction thereof.
Background technology
Transformer is electric device important in power transmission and distribution system, it mainly comprises loop construction and the related accessory for normally working for transformer, wherein loop construction mainly comprises magnetic core, primary coil and secondary coil, by utilizing electromagnetic induction principle, carrys out transmission of electric energy.
Primary coil is for being connected with AC power, and secondary coil is used for exporting induced potential, by multiple coil windings are set at secondary coil, can change the potential levels of output potential.In existing technology, multiple windings of secondary coil are along the axial direction setting of magnetic core.
But because the number that winding arranges is more, excessive to distance between the winding that can cause being arranged at end is set along core axis, in the time of the laod unbalance of end winding, can produce very large eddy current, cause whole loop construction local overheating, can affect the useful life of coil; Along the axial setting of magnetic core, can cause the height of transformer to increase simultaneously, be unfavorable for transportation.
Utility model content
The purpose of this utility model is to provide a kind of transformer and loop construction thereof, can improve the useful life of loop construction, is convenient to the transportation of transformer.
The utility model provides a kind of loop construction, comprises magnetic core, secondary coil and primary coil, and described secondary coil comprises at least two described coil groups, and at least two described coil groups are along the radially bearing of trend setting of described magnetic core; Every group of coil comprises multiple sub-coils, the sub-coil that the is positioned at different described coil groups setting that intersects.
Preferably, each described sub-coil includes initiating terminal and tail end, and the initiating terminal of described sub-coil and tail end are connected for the adjacent with it described sub-coil that is positioned at same described coil groups or for being connected with electric device.
Preferably, also comprise insulating barrier, the outer surface of described coil groups and the inner surface of described insulating barrier fit.
Preferably, the initiating terminal of described sub-coil and tail end are at least exposed to the outer surface of described insulating barrier in one end.
Preferably, the sub-coil of different described coil groups be exposed to described insulating barrier outer surface end towards difference, and the described sub-coil of same described coil groups be exposed to described insulating barrier end towards identical.
Preferably, described secondary coil is arranged at the position near described magnetic core, and described primary coil is arranged at the position away from described magnetic core.
Meanwhile, the utility model also provides a kind of transformer, comprises loop construction, and described loop construction is loop construction mentioned above.
A kind of loop construction provided by the utility model, comprise magnetic core, primary coil and secondary coil, wherein secondary coil comprises at least two coil groups, at least two coil groups are along the radially bearing of trend setting of magnetic core, each coil groups includes multiple sub-coils, the sub-coil that the is positioned at different coil groups setting that intersects.So arrange, each coil groups includes multiple sub-coils, the setting that intersects of the sub-coil of different coil groups, so can guarantee that high pressure is identical to the leakage field between different low pressure, balanced impedance voltage, can avoid coil to occur the situation of local overheating and then the useful life that can improve loop construction; Meanwhile, because multiple coil groups are along magnetic core radial distribution, can reduce the height that arranges of transformer, thereby be convenient to transportation.
The utility model also provides a kind of transformer, comprises loop construction as described above, and the beneficial effect that both can reach is identical, and derivation is similar, therefore repeat no more herein.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment coil structure provided by the utility model;
Wherein, in Fig. 1:
The initiating terminal 6 of the initiating terminal 4 of the initiating terminal 2 of loop construction 1, a sub-coil, the tail end of No. two sub-coils 3, No. three sub-coils, the tail end of No. four sub-coils 5, No. five sub-coils, the tail end 7 of No. six sub-coils.
Embodiment
Core of the present utility model is to provide a kind of transformer and loop construction thereof, can improve the useful life of loop construction, is convenient to the transportation of transformer.
In order to make those skilled in the art person understand better the utility model scheme, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of embodiment coil structure provided by the utility model.
A kind of loop construction 1 is provided in this embodiment, comprise magnetic core, primary coil and secondary coil, wherein secondary coil comprises at least two coil groups, at least two coil groups are along the radially bearing of trend setting of magnetic core, each coil groups includes multiple sub-coils, the sub-coil that the is positioned at different coil groups setting that intersects, the sub-coil that is positioned at same coil groups is in series.
So arrange, each coil groups includes multiple sub-coils, the setting that intersects of the sub-coil of different coil groups, so can guarantee that high pressure is identical to the leakage field between different low pressure, balanced impedance voltage, can avoid coil to occur the phenomenon of local overheating and then the useful life that can improve loop construction 1; Meanwhile, because multiple coil groups are along magnetic core radial distribution, can reduce the height that arranges of transformer, thereby be convenient to transportation.
In this embodiment, loop construction 1 comprises two coil groups, and wherein the first coil groups comprises four sub-coils, respectively sub-coil of called after, No. two sub-coils, No. three sub-coils and No. four sub-coils; The second coil comprises two sub-coils, No. five sub-coils of called after and No. six sub-coils respectively, wherein No. five sub-coils are arranged between a sub-coil and No. two sub-coils, No. six sub-coil is arranged between No. three sub-coils and No. four sub-coils, the sub-coil that is the positioned at different coil groups setting that intersects.
Can guarantee that by multiple coil groups are set output voltage is different grade, same coil groups is provided with multiple sub-coils, by the connection between sub-coil, can change the coil turn of same coil groups, and then can change the grade of output voltage.
It should be noted that, in this embodiment, secondary coil is only provided with the first coil groups and the second coil groups, certainly, does not also get rid of the coil groups that other numbers are set, as three groups of coil groups etc. are set.
Also it should be noted that, in this embodiment, the first coil groups is provided with four sub-coils, and the second coil groups is provided with two sub-coils, and the sub-coil of other numbers can certainly be set according to actual service condition.
In addition, the number of turn of sub-coil can be according to actual service condition setting, as identical in the number of turn of the sub-coil of same coil groups, the number of turn difference of the sub-coil of different coil groups.
In this embodiment, each sub-coil includes initiating terminal and tail end, wherein the tail end of a sub-coil is connected with the initiating terminal of No. two sub-coils, the tail end 3 of No. two sub-coils is connected with the initiating terminal 4 of No. three sub-coils, the tail end of No. three sub-coils is connected with the initiating terminal of No. four sub-coils, the initiating terminal 2 of a sub-coil for being connected with other electric device, so can be realized the series winding between the sub-coil of the first coil groups with the tail end 5 of No. four sub-coils; The tail end of No. five sub-coils is connected with the initiating terminal of No. six sub-coils, and the initiating terminal 6 of No. five sub-coils is with the tail end 7 of No. six sub-coils for being connected with other electric device, and so, two sub-coils of the second coil groups are contacted mutually.
Certainly,, in this embodiment, also comprise insulating barrier, insulating barrier is arranged at the outer surface of secondary coil, and the inner surface of insulating barrier and the outer surface of secondary coil fit, certainly, between adjacent sub-coil, be provided with equally insulating barrier, between sub-coil, influence each other avoiding.
For the ease of connecting, the initiating terminal of sub-coil and tail end have at least one end to be exposed to the outer surface of insulating barrier, in in this embodiment, the initiating terminal 2 of a sub-coil, the tail end 3 of No. two sub-coils, the initiating terminal 4 of No. three sub-coils, the tail end 5 of No. four sub-coils is exposed to the outer surface of insulating barrier, the tail end of a sub-coil is connected with the initiating terminal of No. two sub-coils, be arranged at the inside with insulating barrier, in like manner, the tail end of No. three coils is connected with the initiating terminal of No. four coils and is placed in the inside of insulating barrier, so, in the time need to changing the output voltage grade of the first coil groups, only the tail end 3 of the initiating terminal of No. three sub-coils 4 and No. two sub-coils need to be disconnected, then the tail end of No. two sub-coils 3 is connected with corresponding electric device.
Same, the initiating terminal 6 of No. five sub-coils and the tail end 7 of No. six sub-coils are exposed to the outer surface of insulating barrier, and the tail end of No. five sub-coils is connected and is arranged in insulating barrier with the initiating terminal of No. six sub-coils.
It should be noted that, in this embodiment, the sub-coil in the first coil groups and the second coil groups is all the outer surfaces that are exposed to insulating barrier by one end, certainly, does not also get rid of the initiating terminal of sub-coil and tail end and be all exposed to the outer surface of insulating barrier.
In scheme further, in order to guarantee that the sub-coil that is positioned at same coil groups is connected, in this embodiment, the end that the sub-coil of the first coil groups is exposed to insulating barrier is positioned at same direction, the end that the sub-coil of the second coil groups is exposed to insulating barrier is positioned at same direction, the first coil groups and the second coil groups towards difference, the i.e. initiating terminal 2 of a sub-coil, the tail end 3 of No. two sub-coils, the initiating terminal 4 of No. three sub-coils and the tail end 5 of No. four sub-coils are towards identical, the initiating terminal 6 of No. five sub-coils and the tail end 7 of No. six sub-coils towards identical, but the initiating terminal 2 of a sub-coil towards from the initiating terminal 6 of No. five sub-coils towards different, so, can avoid occurring the phenomenon generation that different sub-coils are connected, guarantee the accuracy connecting.
In scheme further, according to the actual service condition of transformer, secondary coil is arranged at the position near magnetic core, and the outer surface that primary coil is arranged at secondary coil is that primary coil is arranged at the position away from magnetic core.Certainly, also do not get rid of the set-up mode of taking other, as primary coil being arranged to the position near magnetic core, secondary coil is arranged at the position away from magnetic core.
A kind of transformer is also provided in this embodiment, has comprised loop construction 1 as described above, hereinbefore, the set-up mode of loop construction 1 has been described in detail, therefore do not repeat them here.
It should be noted that, in this embodiment, transformer is three-phase transformer, and therefore primary coil and secondary coil comprise three-phase equally, and every phase secondary coil all adopts set-up mode as described above, certainly, the number of phases of primary coil and secondary coil is to arrange according to the model of transformer.
Above a kind of transformer provided by the utility model and loop construction thereof are described in detail.Applied specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection range of the utility model claim.
Claims (7)
1. a loop construction, comprises magnetic core, secondary coil and primary coil, it is characterized in that, described secondary coil comprises at least two described coil groups, and at least two described coil groups are along the radially bearing of trend setting of described magnetic core; Every group of coil comprises multiple sub-coils, the sub-coil that the is positioned at different described coil groups setting that intersects.
2. loop construction according to claim 1, it is characterized in that, each described sub-coil includes initiating terminal and tail end, and the initiating terminal of described sub-coil and tail end are connected for the adjacent with it described sub-coil that is positioned at same described coil groups or for being connected with electric device.
3. loop construction according to claim 1, is characterized in that, also comprises insulating barrier, and the outer surface of described coil groups and the inner surface of described insulating barrier fit.
4. loop construction according to claim 3, is characterized in that, the initiating terminal of described sub-coil and tail end at least one end are exposed to the outer surface of described insulating barrier.
5. loop construction according to claim 1, it is characterized in that, the sub-coil of different described coil groups be exposed to described insulating barrier outer surface end towards difference, and the described sub-coil of same described coil groups be exposed to described insulating barrier end towards identical.
6. according to the loop construction described in arbitrary of claim 1 to 5, it is characterized in that, described secondary coil is arranged at the position near described magnetic core, and described primary coil is arranged at the position away from described magnetic core.
7. a transformer, comprises loop construction, it is characterized in that, described loop construction is the loop construction described in arbitrary of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320771676.1U CN203607216U (en) | 2013-11-29 | 2013-11-29 | Transformer and coil structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320771676.1U CN203607216U (en) | 2013-11-29 | 2013-11-29 | Transformer and coil structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203607216U true CN203607216U (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320771676.1U Expired - Lifetime CN203607216U (en) | 2013-11-29 | 2013-11-29 | Transformer and coil structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203607216U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531413A (en) * | 2016-12-20 | 2017-03-22 | 北京北广科技股份有限公司 | Winding method of high-frequency and high-power transformer |
-
2013
- 2013-11-29 CN CN201320771676.1U patent/CN203607216U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531413A (en) * | 2016-12-20 | 2017-03-22 | 北京北广科技股份有限公司 | Winding method of high-frequency and high-power transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 570216 7 Haikou Free Trade Zone, 168 Nanhai Road, Haikou, Hainan. Patentee after: HAINAN JINPAN INTELLIGENT TECHNOLOGY CO.,LTD. Address before: 570216 7 Haikou Free Trade Zone, 168 Nanhai Road, Haikou, Hainan. Patentee before: HAINAN JINPAN ELECTRIC Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |